It’s a decision that Mayor Michael Bloomberg received much criticism for, but he has stood by his decision.

“She is optimistic. She believes in the great American dream. She believes in hard work, and giving each other a helping hand up rather than a hand out. She’s gonna hit the ground running as any new chancellor can,” Bloomberg said.

Bloomberg said she’s right person for the job when money is tight.

“She is different in style, but just as dedicated. A mom who certainly knows about education for her kids. A manager for a system that spends $22 billion a year,” Bloomberg said.

As Klein leaves the office, Bloomberg said New Yorkers should thank Klein for his hard work.